δι' ἐρημίας πολεμίων πορευόμενος → he marched on without finding any enemy, his route lay through a country bare of enemies
cōtĭcŭla: ae, f.
dim. cos.
I A small touchstone, a test, βάσανος, Plin. 33, 8, 43, § 126.—
II A small stone mortar for medical use, Plin. 31, 9, 45, § 100; cf. Isid. Orig. 4, 11, 7.